N-Des[2-(1-methyl-2-pyrrolidinyl)ethyl] Udenafil Price Not Available 25mg N-Des[2-(1-methyl-2-pyrrolidinyl)ethyl] Udenafil Supplier Page Catalog Number R024677 Molecular Formula C18H23N5O4S CAS# 319491-68-4 Purity ≥98% Inchi InChI=1S/C18H23N5O4S/c1-4-6-13-15-16(23(3)22-13)18(24)21-17(20-15)12-10-11(28(19,25)26)7-8-14(12)27-9-5-2/h7-8,10H,4-6,9H2,1-3H3,(H2,19,25,26)(H,20,21,24) Inchi Key WQAFYWMRZOZKJD-UHFFFAOYSA-N SMILES CCCC1=NN(C2=C1NC(=NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N)OCCC)C Size 25mg Supplier Page https://www.musechem.com/product/R024677.html